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Author: Sam Stuart Publisher: Elsevier ISBN: 1483284468 Category : Science Languages : en Pages : 350
Book Description
Organosilicon Chemistry provides information pertinent to the fundamental aspects and application of organosilicon chemistry. This book discusses the exact manner and extent of d-orbital involvement in organosilicon compounds in ground, electronic, and transition excited states. Organized into two parts encompassing 21 chapters, this book begins with an overview of preparing stable organosiliconium ions. This text then discusses the use of fused salts as reaction media in the preparative chemistry. Other chapters consider a detailed investigation on the molecular association and volatility of alkoxides of group (IV) elements. This book discusses as well the reaction between dimethyldichlorosilane and ethylene glycon, which has been shown to produce a dimeric ten-membered ring compound. The final chapter deals with the results of the investigations concerning the properties of the contact mass and of the non-volatile silicon-free products, which are produced in the direct synthesis of phenylhalogenosilanes. This book is a valuable resource for chemists and research workers.
Author: Sam Stuart Publisher: Elsevier ISBN: 1483284468 Category : Science Languages : en Pages : 350
Book Description
Organosilicon Chemistry provides information pertinent to the fundamental aspects and application of organosilicon chemistry. This book discusses the exact manner and extent of d-orbital involvement in organosilicon compounds in ground, electronic, and transition excited states. Organized into two parts encompassing 21 chapters, this book begins with an overview of preparing stable organosiliconium ions. This text then discusses the use of fused salts as reaction media in the preparative chemistry. Other chapters consider a detailed investigation on the molecular association and volatility of alkoxides of group (IV) elements. This book discusses as well the reaction between dimethyldichlorosilane and ethylene glycon, which has been shown to produce a dimeric ten-membered ring compound. The final chapter deals with the results of the investigations concerning the properties of the contact mass and of the non-volatile silicon-free products, which are produced in the direct synthesis of phenylhalogenosilanes. This book is a valuable resource for chemists and research workers.
Author: J. Duchesne Publisher: John Wiley & Sons ISBN: 0470143924 Category : Science Languages : en Pages : 768
Book Description
The Advances in Chemical Physics series provides the chemical physics and physical chemistry fields with a forum for critical, authoritative evaluations of advances in every area of the discipline. Filled with cutting-edge research reported in a cohesive manner not found elsewhere in the literature, each volume of the Advances in Chemical Physics series serves as the perfect supplement to any advanced graduate class devoted to the study of chemical physics.
Author: Stepan S. Batsanov Publisher: Springer Science & Business Media ISBN: 9400747713 Category : Medical Languages : en Pages : 548
Book Description
A concise description of models and quantitative parameters in structural chemistry and their interrelations, with 280 tables and >3000 references giving the most up-to-date experimental data on energy characteristics of atoms, molecules and crystals (ionisation potentials, electron affinities, bond energies, heats of phase transitions, band and lattice energies), optical properties (refractive index, polarisability), spectroscopic characteristics and geometrical parameters (bond distances and angles, coordination numbers) of substances in gaseous, liquid and solid states, in glasses and melts, for various thermodynamic conditions. Systems of metallic, covalent, ionic and van der Waals radii, effective atomic charges and other empirical and semi-empirical models are critically revised. Special attention is given to new and growing areas: structural studies of solids under high pressures and van der Waals molecules in gases. The book is addressed to researchers, academics, postgraduates and advanced-course students in crystallography, materials science, physical chemistry of solids.
Author: J. Lascombe Publisher: Springer Science & Business Media ISBN: 9401021775 Category : Science Languages : en Pages : 645
Book Description
When, in my capacity as President of the Societe de Chimie physique, I opened the 24th Annual Meeting of this Society, devoted this year to 'molecular motions in liquids', I was stirred by a particular emotion. This had two reasons, one general and the other rather personal. I would like to give an explanation in the Foreword to this volume of communications to the Meeting and their ensuing discussions. An essential characteristic of science is its international nature. It is like a symphony composed of contributions by all the countries playing together as an orchestra in unison. Just as a melody has different 'colours' when played by strings or woodwinds, so there exist similar 'colour' differences, subtle ones, between scientific contributions from different countries, rooted as they are in their own cultural history and liable to impoverish the ensemble if they should cease to participate. I have always had an impression of marked 'colour' differences prevailing among American, Russian, Japanese and European contributions, although within the latter group the timbre is very much the same. This is why I have dreamed of a European 'chamber orchestra' in addition to the great world orchestra.
Author: Mitchell A. Winnik Publisher: Springer Science & Business Media ISBN: 9400947267 Category : Science Languages : en Pages : 640
Book Description
In 1980 the New York Academy of Sciences sponsored a three-day conference on luminescence in biological and synthetic macromolecules. After that meeting, Professor Frans DeSchryver and I began to discuss the possibility of organizing a different kind of meeting, with time for both informal and in-depth discussions, to examine certain aspects of the application of fluorescence and phosphorescence spectroscopy to polymers. Our ideas developed through discussions with many others, particularly Professor Lucien Monnerie. By 1983, when we submitted our proposal to NATO for an Advanced Study Institute, the area had grown enormous ly. It is interesting in retrospect to look back on the points which emerged from these discussions as the basis around which the scientific program would be organized and the speakers chosen. We decided early on to focus on applications of these methods to provide information about polymer molecules and polymer systems: The topics would all relate to the conformation and dynamics of macromolecules, or to the morphology of polymer-containing systems. Another important decision was to expand the scope of the ASI to include certain photochemical techniques, parti cular ly laser flash pho to lys is. These appl icat ions were at the time quite new, but full of promise as important sources of information about polymers.
Author: Marie-Claire Bellissent-Funel Publisher: IOS Press ISBN: 9789051994391 Category : Medical Languages : en Pages : 456
Book Description
The interaction of water at organic surfaces or interfaces is of fundamental and technological interest and importance in chemistry, physics and biology. Progress towards an in-depth, molecular interpretation of the structure and dynamics of interfacial water needs a range of novel experimental and simulation techniques. We are now reaching the stage at which we understand, at the molecular level, the mutual perturbation at a macromolecule/water interface. The aims of this book are to provide with a comprehensive background to the properties of bulk water at the microscopic level and with a substantial account of the theoretical and experimental contributions which have been done to understand the role of water in various systems from some model systems to the more complex ones such as the biological systems.
Author: R. Daudel Publisher: Springer Science & Business Media ISBN: 9789027722461 Category : Science Languages : en Pages : 326
Book Description
This volume is the second of a set of two which contain 28 selected from the l. j. O invited lectures given at the internatim;al seminar of the same title held at the Centre de Mecanique Ondulatoire Appliquee du Centre National de la Recherche Scientifique in Paris (France) from October 1983 to May 1985. They are intended to provide a survey of topics of current interest relative to the structure and the dynamics of molecular systems. The papers have been selected on the basis of their relevance to the following four topics: i) molecular conformations and transformations; H) molecular relaxation and motion; iii) charge, spin and momentum distributions and intermolecular interactions; iv) collective phenomena in condensed matter. The first volume deals mostly with the first two topics, the second volume mostly with the last two. The two volumes consist of an approximately equal number of self-con tained, reference contributions covering recent achievements in active branches of molecular physics and physical chemistry. The first two papers of the present volume deal with theoretical aspects of intermolecular interactions: the first paper with the physical origin of the so-called non-exchange molecular terms, a complete deriva tion of which is given using Rayleigh-Schrodinger second-order perturba tion theory; the second paper with the symmetry analysis of the effects of interactions between rigid molecules and crystal environments, using the isodynamic-group theoretical approach devised by Altmann for non rigid systems.
Author: Mohamed Daoud Publisher: Springer Science & Business Media ISBN: 3662038455 Category : Science Languages : en Pages : 335
Book Description
In a liquid crystal watch, the molecules contained within a thin film of the screen are reorientated each second by extremely weak electrical signals. Here is a fine example of soft matter: molecular systems giving a strong response to a very weak command signal. They can be found almost everywhere. Soft magnetic materials used in transformers exhibit a strong magnetic moment under the action of a weak magnetic field. Take a completely different domain: gelatin, formed from col lagen fibres dissolved in hot water. When we cool below 37°C, gelation occurs, the chains joining up at various points to form a loose and highly deformable network. This is a natural example of soft matter. Going further, rather than consider a whole network, we could take a single chain of flexible polymer, such as polyoxyethylene [POE = (CH CH O)N, 2 2 5 where N rv 10 ], for example, in water. Such a chain is fragile and may break under flow. Even though hydrodynamic forces are very weak on the molecular scale, their cumulated effect may be significant. Think of a rope pulled from both ends by two groups of children. Even if each girl and boy cannot pull very hard, the rope can be broken when there are enough children pulling.
Author: Eugene Papirer Publisher: CRC Press ISBN: 9780824700034 Category : Science Languages : en Pages : 784
Book Description
"Progresses from theoretical issues to applications. Contains a historical overview, in-depth considerations of various scenarios of silica adsorption, and results from the latest research. Invaluable for broad coverage of the expanding field of silica research."
Author: Sam Stuart
Author: Sam Stuart
Author: Michel Marraud
Author: J. Duchesne
Author: Stepan S. Batsanov
Author: J. Lascombe
Author: Mitchell A. Winnik
Author: Marie-Claire Bellissent-Funel
Author: R. Daudel
Author: Mohamed Daoud
Author: Eugene Papirer